12990255

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{14197}}^1$

素因数の和:14266

約数の個数: 16

約数和(自身を含む): 21126624

約数和(自身を除く): 8136369

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 14197, 42591, 70985, 212955, 866017, 2598051, 4330085, 12990255]

約数ペア:

[(1, 12990255), (3, 4330085), (5, 2598051), (15, 866017), (61, 212955), (183, 70985), (305, 42591), (915, 14197)]